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完整後設資料紀錄
DC 欄位 | 值 | 語言 |
---|---|---|
dc.contributor.advisor | 陽毅平 | |
dc.contributor.author | Guan-Yu Lai | en |
dc.contributor.author | 賴冠宇 | zh_TW |
dc.date.accessioned | 2021-06-16T03:56:06Z | - |
dc.date.available | 2017-01-14 | |
dc.date.copyright | 2015-01-14 | |
dc.date.issued | 2014 | |
dc.date.submitted | 2014-12-12 | |
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Cho, 'Multiobjective optimization design of axial flux permanent magnet motor,' International Journal of Applied Electromagnetics and Mechanics, vol. 25, no. 1, May 2007, pp. 613-619. [16] Y. Chun, S. Wakao, T. Kim, K. Jang, and J. Lee, 'Multiobjective design optimization of brushless permanent magnet motor using 3D equivalent magnetic circuit network method,' IEEE Transactions on Applied Superconductivity, vol. 14, no. 2, Jun. 2004, pp. 1910-1913. [17] Y. P. Yang, Y. P. Luh, and C. H. Cheung, 'Design and control of axial-flux brushless DC wheel motors for electric vehicles-part I: multiobjective optimal design and analysis,' IEEE Transactions on Magnetics, vol. 40, no. 4, Jul. 2004, pp. 1873-1882. [18] Y. P. Yang, J. P. Wang, S. W. Wu, and Y. P. Luh, 'Design and control of axial-flux brushless DC wheel motors for electric vehicles-part II: optimal current waveforms and performance test,' IEEE Transactions on Magnetics, vol. 40, no. 4, Jul. 2004, pp. 1883-1891. [19] K. S. R. 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dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/55312 | - |
dc.description.abstract | 本文利用脈寬調變技術設計磁鐵外型,其設計目標主要在於減低稀土磁鐵用量,並盡量降低性能損失。在馬達的分析中,利用一維的無槽型馬達氣隙磁通解析解搭配等效磁路模型及槽效應與氣隙漏磁等現象,求得馬達的氣隙磁通密度分布函數,並進一步得到馬達的性能,再利用妥協規劃法來評鑑各磁鐵尺寸的表現,並利用二維有限元素分析模型驗證其準確性。最後選出三組經過設計後的磁鐵和一組未做外型設計的比較其性能及磁鐵使用量上的差異。根據本文的設計方法可以降低9~13%的磁鐵用量,而馬達力矩輸出下降約3~5%,在維持了應有的性能下減少磁鐵用量。 | zh_TW |
dc.description.abstract | This thesis proposes a pulse-width modulation (PWM) technology of designing the surface shape of rotor magnet in a permanent magnet synchronous motor (PMSM). The main purpose of the design was to decrease as much amount of rare earth magnets and power losses as possible. An optimal design process uses an analytical magnetic-circuit model for the motor. This model is derived in a form of one-dimensional analytical solution of the slotless air-gap flux density distribution and an equivalent magnetic circuit model. An effective air-gap permeance distribution function is used to correct the flux distribution considering slot effect and flux leakage. In the search of optimum magnet shapes, the Compromise Programming is used to assess a set of magnet parameters by minimizing or maximizing objectives. The two-dimensional finite elements method (FEM) is used to verify and refine the resulting. Finally, three motors of PWM-shaped magnets were chosen for comparing their performance with the motor without PWM-shaped magnets. With the proposed PWM-shaped magnet, the motor were 9.39-13.13% less magnet in volume than the motor without PWM-shaped magnet. However, the corresponding torque is reduced by 3.34-5.87%. | en |
dc.description.provenance | Made available in DSpace on 2021-06-16T03:56:06Z (GMT). No. of bitstreams: 1 ntu-103-R00522823-1.pdf: 14030503 bytes, checksum: 9256eb366efaa934d81e2ed9ce62975a (MD5) Previous issue date: 2014 | en |
dc.description.tableofcontents | 誌謝 i
中文摘要 ii ABSTRACT iii 目錄 iv 圖目錄 viii 表目錄 xiv 符號表 xv 1 第一章 緒論 1 1.1 研究背景與動機 1 1.2 文獻回顧 4 1.3 論文架構 8 2 第二章 永磁無刷馬達基礎理論 10 2.1 基本磁路模型 10 2.1.1 磁的基本觀念 10 2.1.2 磁場源 11 2.1.3 氣隙磁阻 15 2.1.4 簡化徑向馬達模型 17 2.2 表面貼磁式馬達磁路模型 19 2.2.1 氣隙磁通和磁通密度 19 2.2.2 感應電動勢及電感 22 2.2.3 轉矩方程式 24 2.3 d-q軸模型 29 2.3.1 空間向量 29 2.3.2 座標轉換 30 2.3.3 永磁同步馬達二軸模型 35 2.3.4 電流控制 41 2.3.5 限流控制 49 3 第三章 脈波寬度調變基礎理論 54 3.1 脈波寬度調變理論 54 3.1.1 脈寬調變控制理論 54 3.1.2 脈寬調變應用於馬達磁鐵 57 3.2 脈波寬度調變應用於磁鐵形狀 57 4 第四章 最佳化設計 65 4.1 建立數值模型 65 4.1.1 無齒槽氣隙磁通密度 65 4.1.2 槽效應 70 4.1.3 漏磁模型 74 4.1.4 磁通鏈與反電動勢 78 4.1.5 力矩及力矩漣波 81 4.1.6 馬達尺寸 83 4.1.7 模型誤差 84 4.2 靈敏度分析 87 4.2.1 目標函數 87 4.2.2 靈敏度分析方法 93 4.2.3 各指標分布分析 97 4.3 最佳化 104 4.3.1 最佳化方法 104 4.3.2 多目標最佳化 105 5 第五章 有限元素分析 108 5.1 有限元素分析工具 108 5.1.1 建立模型 108 5.1.2 建立網格與求解設定 110 5.2 性能分析 111 5.2.1 有限元素法參數設計 111 5.2.2 其他設計磁鐵外型方法 113 5.2.3 轉矩與頓轉轉矩 118 5.2.4 反電動勢波形 119 5.2.5 磁場分析 121 5.2.6 性能曲線 124 5.3 弱磁性能分析 125 5.3.1 d軸與q軸電感 126 5.3.2 單位電流最大轉矩 128 6 第六章 製造與測試 133 6.1 製造與組裝 133 6.2 測試 137 6.2.1 實驗平台 137 6.2.2 測試流程 138 6.2.3 測試結果 139 6.3 實驗結果討論 146 7 第七章 結論 149 7.1 本文結論 149 7.2 未來展望 149 參考文獻 151 附錄A 磁鐵規格 158 附錄B 編碼器規格 159 附錄C 馬達繞線表 161 附錄D 工程圖 162 | |
dc.language.iso | zh-TW | |
dc.title | 脈寬調變造型磁鐵於永磁同步馬達少稀土設計的研究 | zh_TW |
dc.title | Study of Less Rare-Earth Permanent Magnet Synchronous Motor with Pulse-Width-Modulation Shaped Magnets | en |
dc.type | Thesis | |
dc.date.schoolyear | 103-1 | |
dc.description.degree | 碩士 | |
dc.contributor.oralexamcommittee | 李綱,彭明燦 | |
dc.subject.keyword | 永磁同步馬達,磁鐵表面外形,最佳化設計,少稀土磁鐵,有限元素分析, | zh_TW |
dc.subject.keyword | permanent magnet synchronous motor,magnet shape,optimal design,less rare-earth magnet,finite element analysis, | en |
dc.relation.page | 169 | |
dc.rights.note | 有償授權 | |
dc.date.accepted | 2014-12-12 | |
dc.contributor.author-college | 工學院 | zh_TW |
dc.contributor.author-dept | 機械工程學研究所 | zh_TW |
顯示於系所單位: | 機械工程學系 |
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